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Predicting the outcome of initial non-surgical endodontic procedures by periapical status and quality of root canal filling: a cohort study

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Abstract

To assess the previous periapical status and the quality of root canal filling as predictors of the outcome in initial non-surgical endodontic procedures. A retrospective cohort study was designed in which the presence of a previous periapical lesion was determined radiographically. The quality of the root filling was evaluated in terms of homogeneity, taper, and apical extension. The response variable was dichotomized to success and failure. Bivariate analyzes and a mixed generalized linear model interpreted the association between the explanatory variables and the outcome of the initial non-surgical endodontic procedures. A total of 349 roots were evaluated, and a failure rate of 13.18% was established. Poor filling quality was determined in 8.3% of the roots. As a main result, the presence of a preoperative periapical lesion did not determine a significant risk to the failure of the initial treatment. Unlike, a poor quality of the obturation determined association with an unfavorable outcome like this: (1) homogeneity (OR 2.32; p = 0.0181); (2) taper (OR 5.8; p = 0.0); and, (3) extension (OR 3.41; p = 0.0). Therefore, a significant association between inadequate quality of the root filling and failure of the primary non-surgical endodontic procedures was found. Short length of filling was highly associated with failure. The presence of previous periapical lesion was not found to be a significant predictor for treatment outcomes.

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Acknowledgements

The English version of this manuscript was possible thanks to Professor Jaime Castro-Núñez, oral and maxillofacial surgeon and oral pathologist of Muncie, IN., and Kathryn Pope at Antioch University at Los Angeles, CA.

Funding

This research was funded by Universidad Nacional de Colombia through Convocatoria Nacional de Proyectos Para El Fortalecimiento De La Investigación, Creación e Innovación 2016–2018.

Author information

Authors and Affiliations

  1. School of Dentistry, Basic Sciences Department, Endodontics Postgraduate Program Director. Research Group INVENDO, Universidad Nacional de Colombia, Carrera 45#26-85, 111111, Bogotá, Colombia

    Claudia García-Guerrero

  2. Research Group INVENDO, Basic Sciences and Oral Medicine Department, School of Dentistry, Universidad Nacional de Colombia, Bogotá, Colombia

    Cindy Estefanía Delgado-Rodríguez

  3. Clinical Research Group, School of Medicine and Health Sciences, Universidad del Rosario, Bogotá, Colombia

    Nicolás Molano-González

  4. Statistics Department, Universidad Nacional de Colombia, Bogotá, Colombia

    Gerardo Antonio Pineda-Velandia

  5. Division of Gerodontology, Department of Restorative Dentistry, School of Dentistry, Universidad Nacional de Colombia, Bogotá, Colombia

    Dairo Javier Marín-Zuluaga

  6. Postgraduate Program in Endodontics, School of Dentistry, Pontificia Universidad Javeriana, Bogotá, Colombia

    Maria Carolina Leal-Fernandez

  7. Department of Endodontics, Nova Southeastern University College of Dental Medicine, Davie Fl., USA

    James L. Gutmann

Authors
  1. Claudia García-Guerrero
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  2. Cindy Estefanía Delgado-Rodríguez
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  3. Nicolás Molano-González
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  4. Gerardo Antonio Pineda-Velandia
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  5. Dairo Javier Marín-Zuluaga
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  6. Maria Carolina Leal-Fernandez
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  7. James L. Gutmann
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Corresponding author

Correspondence to Claudia García-Guerrero.

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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee (Universidad Nacional de Colombia Code # CIE-096-16) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

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García-Guerrero, C., Delgado-Rodríguez, C.E., Molano-González, N. et al. Predicting the outcome of initial non-surgical endodontic procedures by periapical status and quality of root canal filling: a cohort study. Odontology 108, 697–703 (2020). https://doi.org/10.1007/s10266-020-00494-z

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  • DOI: https://doi.org/10.1007/s10266-020-00494-z

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